Writable analog reference voltage storage device
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United States of America Patent
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Sep 7, 1993
Issued Date -
N/A
app pub date -
Oct 15, 1992
filing date -
May 9, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A circuit for generating N analog voltage signals for reference or bias use employs N analog floating gate storage devices. Electron injection circuitry is provided for injecting electrons on to and a tunneling structure is provided for removing electrons from the floating gate of each floating gate storage device. A follower amplifier is connected to each floating gate storage device and drives an analog output voltage bus. A capacitor is connected to each analog output storage bus. An analog pass gate is connected between each analog output voltage bus and a common monitor/dynamic load bus. Each analog pass gate is driven by a strobe signal.
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